PIC18F2450 Datasheet, PDF (161/320 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2450/4450
TABLE 15-3: BAUD RATES FOR ASYNCHRONOUS MODES (CONTINUED)
BAUD
RATE
(K)
SYNC = 0, BRGH = 0, BRG16 = 1
FOSC = 40.000 MHz
FOSC = 20.000 MHz
FOSC = 10.000 MHz
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.3
0.300 0.00
8332 0.300 0.02
4165 0.300 0.02
2082
300
-0.04 1665
1.2
1.200 0.02 2082 1.200 -0.03 1041 1.200 -0.03
520
1201 -0.16
415
2.4 2.402 0.06 1040 2.399 -0.03
520 2.404 0.16
259
2403 -0.16
207
9.6 9.615 0.16
259 9.615 0.16
129 9.615 0.16
64
9615 -0.16
51
19.2 19.231 0.16
129 19.231 0.16
64 19.531 1.73
31
19230 -0.16
25
57.6 58.140 0.94
42 56.818 -1.36
21 56.818 -1.36
10
55555 3.55
8
115.2 113.636 -1.36
21 113.636 -1.36
10 125.000 8.51
4
—
—
—
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 0, BRG16 = 1
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300 0.04
832
300
-0.16
415
300
-0.16
207
1.202 0.16
207
1201 -0.16
103
1201 -0.16
51
2.404 0.16
103
2403 -0.16
51
2403 -0.16
25
9.615 0.16
25
9615 -0.16
12
—
—
—
19.231 0.16
12
—
—
—
—
—
—
62.500 8.51
3
—
—
—
—
—
—
125.000 8.51
1
—
—
—
—
—
—
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
FOSC = 40.000 MHz
FOSC = 20.000 MHz
FOSC = 10.000 MHz
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300 0.00 33332 0.300 0.00 16665 0.300 0.00
1.200 0.00 8332 1.200 0.02 4165 1.200 0.02
8332
2082
300
1200
-0.01
-0.04
6665
1665
2.400 0.02
4165 2.400 0.02
2082 2.402 0.06
1040 2400 -0.04
832
9.606 0.06 1040 9.596 -0.03
520 9.615 0.16
259
9615 -0.16
207
19.193 -0.03
520 19.231 0.16
259 19.231 0.16
129 19230 -0.16
103
57.803 0.35
172 57.471 -0.22
86 58.140 0.94
42
57142 0.79
34
114.943 -0.22
86 116.279 0.94
42 113.636 -1.36
21 117647 -2.12
16
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300 0.01 3332
300
-0.04 1665
300
-0.04
832
1.200 0.04
832
1201 -0.16
415
1201 -0.16 207
2.404 0.16
415
2403 -0.16
207
2403 -0.16 103
9.615 0.16
103
9615 -0.16
51
9615 -0.16
25
19.231 0.16
51
19230 -0.16
25
19230 -0.16
12
58.824 2.12
16
55555 3.55
8
—
—
—
111.111 -3.55
8
—
—
—
—
—
—
© 2006 Microchip Technology Inc.
Advance Information
DS39760A-page 159